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ASASSN-19nc: new 13.6 mag transient (nova?) in Monoceros

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SPK
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ASASSN-19nc: new 13.6 mag transient (nova?) in Monoceros

ASASSN-19nc (N:/UG:)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=687710

"Nova or CV candidate, posted to TNS, rapid rise, no match in Vizier":
http://www.astronomy.ohio-state.edu/~assassin/transients.html

Transient Name Server (AT 2019fny):
https://wis-tns.weizmann.ac.il/object/2019fny

*** Spectroscopy, precise astrometry, multiband and time-resolved photometry are urgently required. ***

Clear skies,
Patrick

SPK
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Rapidly fading!

gmag. (not corrected) 13.4 on 2019 May 18.97 UT, 14.4 on May 20.96.

Complete ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S
and Kochanek et al. 2017PASP..129j4502K) data and light curve: https://asas-sn.osu.edu/light_curves/b289972c-a65e-446f-a917-f4cdc3232032

CTX
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ASASSN-19nc Sequence

ASASSN-19nc Now has a sequence.

12.5V - 20.2 V

Tim Crawford, Sequence Team

 

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